Biology

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Mouth
Breaks down food into small pieces, Contains amylase in saliva, which starts to break down carbohydrates.
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Oesophagus
Peristalsis means food can pass through it to get to the stomach
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Stomach
Contains HCl, which converts pepsinogen into pepsin, so it can break down the proteins. The stomach also churns the food.
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Small intestine
Chemical digestion takes place here with some peristalsis to push the food through. Contains villi to increase surface area and for better absorption of food molecules
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Large intestine
Re-absorption of water and it also transports waste to rectum
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Rectum
Stores waste. Sends signals to the brain to when the contents are to be emptied.
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Anus
Excretes waste using sphincter muscles to push it out
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Pancreas
Secretes all enzymes that it produces into the small intestine
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Liver
Produces bile that neutralizes stomach acid and emulsifies fats
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Gall bladder
Where excess bile is stored before being secreted into the small intestine
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Other cards in this set

Card 2

Front

Peristalsis means food can pass through it to get to the stomach

Back

Oesophagus

Card 3

Front

Contains HCl, which converts pepsinogen into pepsin, so it can break down the proteins. The stomach also churns the food.

Back

Preview of the back of card 3

Card 4

Front

Chemical digestion takes place here with some peristalsis to push the food through. Contains villi to increase surface area and for better absorption of food molecules

Back

Preview of the back of card 4

Card 5

Front

Re-absorption of water and it also transports waste to rectum

Back

Preview of the back of card 5
View more cards

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